diff --git a/resources/views/modules/usulan/csap/form.blade.php b/resources/views/modules/usulan/csap/form.blade.php
index 037a491..9a2fc0f 100644
--- a/resources/views/modules/usulan/csap/form.blade.php
+++ b/resources/views/modules/usulan/csap/form.blade.php
@@ -439,6 +439,22 @@
 @endsection
 @section('page-js')
 <script type="text/javascript">
+    $(document).on('change', '.uncheckall', function () {
+        if ($(this).is(':checked')) {
+            // uncheck semua checkbox KECUALI checkbox terakhir ini
+            $('.checklistInput').not(this).prop('checked', false);
+            $('.file-item').addClass('d-none');
+            $('.file-itemInput').removeClass('is-required');
+        }
+    });
+
+    $(document).on('change', '.checklistInput:not(.uncheckall)', function () {
+        if ($(this).is(':checked')) {
+            // kalau checkbox biasa dicentang, pastikan checkbox uncheckall mati
+            $('.uncheckall').prop('checked', false);
+        }
+    });
+
     $('.clickModal').on('click',function(){
         $('.remove').remove();
         const fileType = $(this).data('type');